This inexpensive Apprentice™ Mini 4-Jaw Chuck is perfect for small projects and for use on today’s mini lathes where larger chucks can be too much" The convenient key operated design allows for one-hand operation and provides a tenacious grip. Precision machined for smooth, trouble-free operation, the Apprentice™ Mini 4-Jaw Chuck comes complete with a comprehensive range of jaws, woodworm screw and threaded adaptor.

• Chuck body measures: 2-1/2" dia.
• Direct threaded to fit 1"–8tpi

Includes:
No. 1 Jaws (Compression: 1/4" - 1-1/8", Expansion: 15/16" - 1-3/4")
No. 2 Jaws (Compression: 15/16" - 1-3/4", Expansion: 1-3/8" - 2-3/16")
No. 3 Jaws (Compression: 2-1/8" - 3", Expansion: 2-9/16" - 3-7/16")
Pin Jaws (Compression: 1/64" - 15/16", Expansion Tier 1: 21/32" - 1-3/8"; Tier 2: 1-3/16" - 2")
Woodworm screw
3/4" x 16TPI Threaded insert
T-handle chuck key
T-handle allen wrench
Durable molded plastic storage case